//
//  main.m
//  rect
//
//  Created by mac on 16-4-11.
//  Copyright (c) 2016年 liuchengming. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "changfanxing.h"
int main(int argc, const char * argv[])
{

    @autoreleasepool
    {
        changfanxing *rect =[[changfanxing alloc]init];
        [rect setSide:50];
        [rect setWide:100];
        int d=[rect arce];
        NSLog(@"这个长方形的面积是%i",d);
    }
    return 0;
}

